8421037 has 8 divisors (see below), whose sum is σ = 8668800. Its totient is φ = 8176224.

The previous prime is 8420983. The next prime is 8421041. The reversal of 8421037 is 7301248.

8421037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8421037 - 2²³ = 32429 is a prime.

It is an Ulam number.

It is a deceptive number, since it divides R_8421036.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8421067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5889 + ... + 7177.

It is an arithmetic number, because the mean of its divisors is an integer number (1083600).

Almost surely, 2^8421037 is an apocalyptic number.

It is an amenable number.

8421037 is a deficient number, since it is larger than the sum of its proper divisors (247763).

8421037 is a wasteful number, since it uses less digits than its factorization.

8421037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 8421037 is about 2901.9023071082. The cubic root of 8421037 is about 203.4488277541.

The spelling of 8421037 in words is "eight million, four hundred twenty-one thousand, thirty-seven".